When the audio sink is non-async, the GST_STATE_CHANGE_ASYNC change will never happen. Under these circumstances, the asyntStateChangeDone() code will never run.
Pull request: https://github.com/WebKit/WebKit/pull/18503
Committed 268845@main (910eddedfb35): <https://commits.webkit.org/268845@main> Reviewed commits have been landed. Closing PR #18503 and removing active labels.
<rdar://problem/116458847>